/**
* Returns an empty processor iterator if no processors are on the relevant path, otherwise if
* processors are present, logs an error. Called when a service loader is unavailable for some
* reason, either because a service loader class cannot be found or because a security policy
* prevents class loaders from being created.
*
* @param key The resource key to use to log an error message
* @param e If non-null, pass this exception to Abort
*/
private Iterator<Processor> handleServiceLoaderUnavailability(String key, Exception e) {
JavaFileManager fileManager = context.get(JavaFileManager.class);
if (fileManager instanceof JavacFileManager) {
StandardJavaFileManager standardFileManager = (JavacFileManager) fileManager;
Iterable<? extends File> workingPath =
fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH)
? standardFileManager.getLocation(ANNOTATION_PROCESSOR_PATH)
: standardFileManager.getLocation(CLASS_PATH);
if (needClassLoader(options.get(PROCESSOR), workingPath)) handleException(key, e);
} else {
handleException(key, e);
}
java.util.List<Processor> pl = Collections.emptyList();
return pl.iterator();
}
@Override
@SuppressWarnings("unchecked")
protected void setPaths(
ArrayList bootclasspaths,
String sourcepathClasspathArg,
ArrayList sourcepathClasspaths,
ArrayList classpaths,
ArrayList extdirsClasspaths,
ArrayList endorsedDirClasspaths,
String customEncoding) {
ArrayList<FileSystem.Classpath> fileSystemClasspaths = new ArrayList<FileSystem.Classpath>();
EclipseFileManager javaFileManager = null;
StandardJavaFileManager standardJavaFileManager = null;
if (this.fileManager instanceof EclipseFileManager) {
javaFileManager = (EclipseFileManager) this.fileManager;
}
if (this.fileManager instanceof StandardJavaFileManager) {
standardJavaFileManager = (StandardJavaFileManager) this.fileManager;
}
if (javaFileManager != null) {
if ((javaFileManager.flags & EclipseFileManager.HAS_ENDORSED_DIRS) == 0
&& (javaFileManager.flags & EclipseFileManager.HAS_BOOTCLASSPATH) != 0) {
fileSystemClasspaths.addAll(this.handleEndorseddirs(null));
}
}
Iterable<? extends File> location = null;
if (standardJavaFileManager != null) {
location = standardJavaFileManager.getLocation(StandardLocation.PLATFORM_CLASS_PATH);
}
if (location != null) {
for (File file : location) {
Classpath classpath = FileSystem.getClasspath(file.getAbsolutePath(), null, null);
if (classpath != null) {
fileSystemClasspaths.add(classpath);
}
}
}
if (javaFileManager != null) {
if ((javaFileManager.flags & EclipseFileManager.HAS_EXT_DIRS) == 0
&& (javaFileManager.flags & EclipseFileManager.HAS_BOOTCLASSPATH) != 0) {
fileSystemClasspaths.addAll(this.handleExtdirs(null));
}
}
if (standardJavaFileManager != null) {
location = standardJavaFileManager.getLocation(StandardLocation.SOURCE_PATH);
} else {
location = null;
}
if (location != null) {
for (File file : location) {
Classpath classpath = FileSystem.getClasspath(file.getAbsolutePath(), null, null);
if (classpath != null) {
fileSystemClasspaths.add(classpath);
}
}
}
if (standardJavaFileManager != null) {
location = standardJavaFileManager.getLocation(StandardLocation.CLASS_PATH);
} else {
location = null;
}
if (location != null) {
for (File file : location) {
Classpath classpath = FileSystem.getClasspath(file.getAbsolutePath(), null, null);
if (classpath != null) {
fileSystemClasspaths.add(classpath);
}
}
}
if (this.checkedClasspaths == null) {
fileSystemClasspaths.addAll(this.handleBootclasspath(null, null));
fileSystemClasspaths.addAll(this.handleClasspath(null, null));
}
fileSystemClasspaths = FileSystem.ClasspathNormalizer.normalize(fileSystemClasspaths);
final int size = fileSystemClasspaths.size();
if (size != 0) {
this.checkedClasspaths = new FileSystem.Classpath[size];
int i = 0;
for (FileSystem.Classpath classpath : fileSystemClasspaths) {
this.checkedClasspaths[i++] = classpath;
}
}
}
public Iterable<? extends File> getLocation(Location location) {
return standardJavaFileManager.getLocation(location);
}
void createSymbols() throws IOException {
Set<String> legacy = getLegacyPackages();
Set<String> legacyProprietary = getLegacyPackages();
Set<String> documented = new HashSet<String>();
Set<PackageSymbol> packages =
((JavacProcessingEnvironment) processingEnv).getSpecifiedPackages();
String jarName = processingEnv.getOptions().get("com.sun.tools.javac.sym.Jar");
if (jarName == null)
throw new RuntimeException("Must use -Acom.sun.tools.javac.sym.Jar=LOCATION_OF_JAR");
String destName = processingEnv.getOptions().get("com.sun.tools.javac.sym.Dest");
if (destName == null)
throw new RuntimeException("Must use -Acom.sun.tools.javac.sym.Dest=LOCATION_OF_JAR");
for (PackageSymbol psym : packages) {
String name = psym.getQualifiedName().toString();
legacyProprietary.remove(name);
documented.add(name);
}
JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
Location jarLocation = StandardLocation.locationFor(jarName);
File jarFile = new File(jarName);
fm.setLocation(jarLocation, List.of(jarFile));
fm.setLocation(StandardLocation.CLASS_PATH, List.<File>nil());
fm.setLocation(StandardLocation.SOURCE_PATH, List.<File>nil());
{
ArrayList<File> bootClassPath = new ArrayList<File>();
bootClassPath.add(jarFile);
for (File path : fm.getLocation(StandardLocation.PLATFORM_CLASS_PATH)) {
if (!new File(path.getName()).equals(new File("rt.jar"))) bootClassPath.add(path);
}
System.err.println("Using boot class path = " + bootClassPath);
fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, bootClassPath);
}
// System.out.println(fm.getLocation(StandardLocation.PLATFORM_CLASS_PATH));
File destDir = new File(destName);
if (!destDir.exists())
if (!destDir.mkdirs()) throw new RuntimeException("Could not create " + destDir);
fm.setLocation(StandardLocation.CLASS_OUTPUT, List.of(destDir));
Set<String> hiddenPackages = new HashSet<String>();
Set<String> crisp = new HashSet<String>();
List<String> options = List.of("-XDdev");
// options = options.prepend("-doe");
// options = options.prepend("-verbose");
JavacTaskImpl task = (JavacTaskImpl) tool.getTask(null, fm, null, options, null, null);
com.sun.tools.javac.main.JavaCompiler compiler =
com.sun.tools.javac.main.JavaCompiler.instance(task.getContext());
ClassReader reader = ClassReader.instance(task.getContext());
ClassWriter writer = ClassWriter.instance(task.getContext());
Symtab syms = Symtab.instance(task.getContext());
Attribute.Compound proprietary =
new Attribute.Compound(
syms.proprietaryType, List.<Pair<Symbol.MethodSymbol, Attribute>>nil());
Type.moreInfo = true;
Pool pool = new Pool();
for (JavaFileObject file : fm.list(jarLocation, "", EnumSet.of(CLASS), true)) {
String className = fm.inferBinaryName(jarLocation, file);
int index = className.lastIndexOf('.');
String pckName = index == -1 ? "" : className.substring(0, index);
boolean addLegacyAnnotation = false;
if (documented.contains(pckName)) {
if (!legacy.contains(pckName)) crisp.add(pckName);
// System.out.println("Documented: " + className);
} else if (legacyProprietary.contains(pckName)) {
addLegacyAnnotation = true;
// System.out.println("Legacy proprietary: " + className);
} else {
// System.out.println("Hidden " + className);
hiddenPackages.add(pckName);
continue;
}
TypeSymbol sym = (TypeSymbol) compiler.resolveIdent(className);
if (sym.kind != Kinds.TYP) {
if (className.indexOf('$') < 0) {
System.err.println("Ignoring (other) " + className + " : " + sym);
System.err.println(" " + sym.getClass().getSimpleName() + " " + sym.type);
}
continue;
}
sym.complete();
if (sym.getEnclosingElement().getKind() != ElementKind.PACKAGE) {
System.err.println("Ignoring (bad) " + sym.getQualifiedName());
continue;
}
ClassSymbol cs = (ClassSymbol) sym;
if (addLegacyAnnotation) {
cs.attributes_field =
(cs.attributes_field == null)
? List.of(proprietary)
: cs.attributes_field.prepend(proprietary);
}
writeClass(pool, cs, writer);
}
if (false) {
for (String pckName : crisp) System.out.println("Crisp: " + pckName);
for (String pckName : hiddenPackages) System.out.println("Hidden: " + pckName);
for (String pckName : legacyProprietary) System.out.println("Legacy proprietary: " + pckName);
for (String pckName : documented) System.out.println("Documented: " + pckName);
}
}
@Override
public Iterable<? extends File> getLocation(Location location) {
return myStandardFileManager.getLocation(location);
}